> i've tried various combinations in that config file, including stuff > like: >@ > # MTD device name Device offset Env. size Flash sector size > /dev/mmcblk0p7 0x7e000 0x2000 0x200 >@ Hi, Robert
You specify the device offset, so the block device [1] should not also specify a partition. The flash sector size should not be specified. Double check CONFIG_ENV_IS_IN_MMC [2], CONFIG_ENV_OFFSET [3], and CONFIG_ENV_SIZE [4]. With CONFIG_ENV_IS_IN_MMC [5]: "[ENV_OFFSET and ENV_SIZE] are in units of bytes, but must be aligned to an MMC sector boundary." [1] https://github.com/u-boot/u-boot/blob/v2025.01/tools/env/fw_env.config#L25 [2] https://github.com/u-boot/u-boot/blob/v2025.01/env/Kconfig#L193 [3] https://github.com/u-boot/u-boot/blob/v2025.01/env/Kconfig#L564 [4] https://github.com/u-boot/u-boot/blob/v2025.01/env/Kconfig#L601 [5] https://github.com/u-boot/u-boot/blob/v2025.01/env/Kconfig#L229-L230 Clayton Casciato
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